From f62d816fc4324afbb7cf90110c70b6a14139b225 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Fri, 25 Mar 2011 17:43:41 +0100 Subject: ath9k: fix a chip wakeup related crash in ath9k_start When the chip is still asleep when ath9k_start is called, ath9k_hw_configpcipowersave can trigger a data bus error. Signed-off-by: Felix Fietkau Cc: stable@kernel.org Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/main.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers/net/wireless') diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index 524825720a0..dddb85de622 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -1048,6 +1048,8 @@ static int ath9k_start(struct ieee80211_hw *hw) "Starting driver with initial channel: %d MHz\n", curchan->center_freq); + ath9k_ps_wakeup(sc); + mutex_lock(&sc->mutex); /* setup initial channel */ @@ -1143,6 +1145,8 @@ static int ath9k_start(struct ieee80211_hw *hw) mutex_unlock: mutex_unlock(&sc->mutex); + ath9k_ps_restore(sc); + return r; } -- cgit v1.2.3-70-g09d2 From 3bda50e3eaf58a4b9c4ce34204e5faa15c8b1b97 Mon Sep 17 00:00:00 2001 From: Stanislaw Gruszka Date: Mon, 14 Mar 2011 14:15:06 +0100 Subject: iwl3945: do not deprecate software scan Software scanning can be used for workaround some performance problems, so do not deprecate it. Signed-off-by: Stanislaw Gruszka Acked-by: Wey-Yi Guy Signed-off-by: John W. Linville --- drivers/net/wireless/iwlegacy/iwl3945-base.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'drivers/net/wireless') diff --git a/drivers/net/wireless/iwlegacy/iwl3945-base.c b/drivers/net/wireless/iwlegacy/iwl3945-base.c index ab87e1b7352..b6c52095bc1 100644 --- a/drivers/net/wireless/iwlegacy/iwl3945-base.c +++ b/drivers/net/wireless/iwlegacy/iwl3945-base.c @@ -3960,8 +3960,7 @@ static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e * "the hard way", rather than using device's scan. */ if (iwl3945_mod_params.disable_hw_scan) { - dev_printk(KERN_DEBUG, &(pdev->dev), - "sw scan support is deprecated\n"); + IWL_DEBUG_INFO(priv, "Disabling hw_scan\n"); iwl3945_hw_ops.hw_scan = NULL; } @@ -4280,8 +4279,7 @@ MODULE_PARM_DESC(swcrypto, "using software crypto (default 1 [software])"); module_param_named(disable_hw_scan, iwl3945_mod_params.disable_hw_scan, int, S_IRUGO); -MODULE_PARM_DESC(disable_hw_scan, - "disable hardware scanning (default 0) (deprecated)"); +MODULE_PARM_DESC(disable_hw_scan, "disable hardware scanning (default 0)"); #ifdef CONFIG_IWLWIFI_LEGACY_DEBUG module_param_named(debug, iwlegacy_debug_level, uint, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(debug, "debug output mask"); -- cgit v1.2.3-70-g09d2 From 8d4ca61a10feea9583dc62ec1514722e99bdcd3d Mon Sep 17 00:00:00 2001 From: Xose Vazquez Perez Date: Sun, 27 Mar 2011 20:33:06 +0200 Subject: wireless: rt2x00: rt2800usb.c add and identify ids taken from staging/rt2860 0x0411,0x016f de37cd49b5a54facef174cf34496919857436e8f MelCo(Buffalo) WLI-UC-G301N 0x050d,0x825b 12840c63b0679f7fab88ea1cc26b52db8b574ce7 Belkin F5D8055 0x050d,0x935a 705059a670f3af2b37695e82de0ee58e75e656ed Belkin F6D4050 v1 0x050d,0x935b 5d92fe3387d086fc2f10426fbdb6b86d6cce5a47 Belkin F6D4050 v2 identifed from ralink driverss 0x0930,0x0a07 RT35xx TOSHIBA 2010_1215_RT3572_Linux_STA_v2.5.0.0.DPO 0x1d4d,0x0011 3072 Pegatron 2011_0107_RT3070_RT3370_Linux_STA_v2.5.0.1_DPO Signed-off-by: Xose Vazquez Perez Acked-by: Ivo van Doorn Signed-off-by: John W. Linville --- drivers/net/wireless/rt2x00/rt2800usb.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) (limited to 'drivers/net/wireless') diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c index 4e368657a83..37509d01991 100644 --- a/drivers/net/wireless/rt2x00/rt2800usb.c +++ b/drivers/net/wireless/rt2x00/rt2800usb.c @@ -730,8 +730,12 @@ static struct usb_device_id rt2800usb_device_table[] = { { USB_DEVICE(0x050d, 0x8053), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x050d, 0x805c), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x050d, 0x815c), USB_DEVICE_DATA(&rt2800usb_ops) }, + { USB_DEVICE(0x050d, 0x825b), USB_DEVICE_DATA(&rt2800usb_ops) }, + { USB_DEVICE(0x050d, 0x935a), USB_DEVICE_DATA(&rt2800usb_ops) }, + { USB_DEVICE(0x050d, 0x935b), USB_DEVICE_DATA(&rt2800usb_ops) }, /* Buffalo */ { USB_DEVICE(0x0411, 0x00e8), USB_DEVICE_DATA(&rt2800usb_ops) }, + { USB_DEVICE(0x0411, 0x016f), USB_DEVICE_DATA(&rt2800usb_ops) }, /* Conceptronic */ { USB_DEVICE(0x14b2, 0x3c06), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x14b2, 0x3c07), USB_DEVICE_DATA(&rt2800usb_ops) }, @@ -818,6 +822,7 @@ static struct usb_device_id rt2800usb_device_table[] = { /* Pegatron */ { USB_DEVICE(0x1d4d, 0x000c), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x1d4d, 0x000e), USB_DEVICE_DATA(&rt2800usb_ops) }, + { USB_DEVICE(0x1d4d, 0x0011), USB_DEVICE_DATA(&rt2800usb_ops) }, /* Philips */ { USB_DEVICE(0x0471, 0x200f), USB_DEVICE_DATA(&rt2800usb_ops) }, /* Planex */ @@ -899,6 +904,8 @@ static struct usb_device_id rt2800usb_device_table[] = { { USB_DEVICE(0x148f, 0x3572), USB_DEVICE_DATA(&rt2800usb_ops) }, /* Sitecom */ { USB_DEVICE(0x0df6, 0x0041), USB_DEVICE_DATA(&rt2800usb_ops) }, + /* Toshiba */ + { USB_DEVICE(0x0930, 0x0a07), USB_DEVICE_DATA(&rt2800usb_ops) }, /* Zinwell */ { USB_DEVICE(0x5a57, 0x0284), USB_DEVICE_DATA(&rt2800usb_ops) }, #endif @@ -961,7 +968,6 @@ static struct usb_device_id rt2800usb_device_table[] = { { USB_DEVICE(0x05a6, 0x0101), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x1d4d, 0x0002), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x1d4d, 0x0010), USB_DEVICE_DATA(&rt2800usb_ops) }, - { USB_DEVICE(0x1d4d, 0x0011), USB_DEVICE_DATA(&rt2800usb_ops) }, /* Planex */ { USB_DEVICE(0x2019, 0x5201), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x2019, 0xab24), USB_DEVICE_DATA(&rt2800usb_ops) }, @@ -975,8 +981,6 @@ static struct usb_device_id rt2800usb_device_table[] = { /* Sweex */ { USB_DEVICE(0x177f, 0x0153), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x177f, 0x0313), USB_DEVICE_DATA(&rt2800usb_ops) }, - /* Toshiba */ - { USB_DEVICE(0x0930, 0x0a07), USB_DEVICE_DATA(&rt2800usb_ops) }, /* Zyxel */ { USB_DEVICE(0x0586, 0x341a), USB_DEVICE_DATA(&rt2800usb_ops) }, #endif -- cgit v1.2.3-70-g09d2 From 0263aa45293838b514b8af674a03faf040991a90 Mon Sep 17 00:00:00 2001 From: Stanislaw Gruszka Date: Tue, 29 Mar 2011 11:24:21 +0200 Subject: iwl3945: disable hw scan by default After new NetworkManager 0.8.996 changes, hardware scanning is causing microcode errors as reported here: https://bugzilla.redhat.com/show_bug.cgi?id=683571 and sometimes kernel crashes: https://bugzilla.redhat.com/show_bug.cgi?id=688252 Also with hw scan there are very bad performance on some systems as reported here: https://bugzilla.redhat.com/show_bug.cgi?id=671366 Since Intel no longer supports 3945, there is no chance to get proper firmware fixes, we need workaround problems by disable hardware scanning by default. Signed-off-by: Stanislaw Gruszka Signed-off-by: John W. Linville --- drivers/net/wireless/iwlegacy/iwl3945-base.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/net/wireless') diff --git a/drivers/net/wireless/iwlegacy/iwl3945-base.c b/drivers/net/wireless/iwlegacy/iwl3945-base.c index b6c52095bc1..28eb3d885ba 100644 --- a/drivers/net/wireless/iwlegacy/iwl3945-base.c +++ b/drivers/net/wireless/iwlegacy/iwl3945-base.c @@ -93,6 +93,7 @@ MODULE_LICENSE("GPL"); struct iwl_mod_params iwl3945_mod_params = { .sw_crypto = 1, .restart_fw = 1, + .disable_hw_scan = 1, /* the rest are 0 by default */ }; @@ -4279,7 +4280,7 @@ MODULE_PARM_DESC(swcrypto, "using software crypto (default 1 [software])"); module_param_named(disable_hw_scan, iwl3945_mod_params.disable_hw_scan, int, S_IRUGO); -MODULE_PARM_DESC(disable_hw_scan, "disable hardware scanning (default 0)"); +MODULE_PARM_DESC(disable_hw_scan, "disable hardware scanning (default 1)"); #ifdef CONFIG_IWLWIFI_LEGACY_DEBUG module_param_named(debug, iwlegacy_debug_level, uint, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(debug, "debug output mask"); -- cgit v1.2.3-70-g09d2 From 24047e2c4feb8c126e92cc5bb7a863115c89bd72 Mon Sep 17 00:00:00 2001 From: Christian Lamparter Date: Tue, 29 Mar 2011 13:43:14 +0200 Subject: carl9170: Fix tx aggregation problems with some clients Some clients seem to rely upon the reception of BlockAckReqs to flush their rx reorder buffer. In order to fix aggregation for these clients carl9170 should set IEEE80211_TX_STAT_AMPDU_NO_BACK to generate a BlockAckReq if the transmission of an AMPDU subframe fails. This fixes aggregation problems with Intel 5100 Windows STAs (and maybe others as well). Signed-off-by: Christian Lamparter Signed-off-by: John W. Linville --- drivers/net/wireless/ath/carl9170/carl9170.h | 1 + drivers/net/wireless/ath/carl9170/main.c | 1 + drivers/net/wireless/ath/carl9170/tx.c | 7 +++++++ 3 files changed, 9 insertions(+) (limited to 'drivers/net/wireless') diff --git a/drivers/net/wireless/ath/carl9170/carl9170.h b/drivers/net/wireless/ath/carl9170/carl9170.h index c6a5fae634a..9cad061cc1d 100644 --- a/drivers/net/wireless/ath/carl9170/carl9170.h +++ b/drivers/net/wireless/ath/carl9170/carl9170.h @@ -443,6 +443,7 @@ struct carl9170_ba_stats { u8 ampdu_len; u8 ampdu_ack_len; bool clear; + bool req; }; struct carl9170_sta_info { diff --git a/drivers/net/wireless/ath/carl9170/main.c b/drivers/net/wireless/ath/carl9170/main.c index ede3d7e5a04..89fe60accf8 100644 --- a/drivers/net/wireless/ath/carl9170/main.c +++ b/drivers/net/wireless/ath/carl9170/main.c @@ -1355,6 +1355,7 @@ static int carl9170_op_ampdu_action(struct ieee80211_hw *hw, tid_info = rcu_dereference(sta_info->agg[tid]); sta_info->stats[tid].clear = true; + sta_info->stats[tid].req = false; if (tid_info) { bitmap_zero(tid_info->bitmap, CARL9170_BAW_SIZE); diff --git a/drivers/net/wireless/ath/carl9170/tx.c b/drivers/net/wireless/ath/carl9170/tx.c index 0ef70b6fc51..cb70ed7ec5c 100644 --- a/drivers/net/wireless/ath/carl9170/tx.c +++ b/drivers/net/wireless/ath/carl9170/tx.c @@ -383,6 +383,7 @@ static void carl9170_tx_status_process_ampdu(struct ar9170 *ar, if (sta_info->stats[tid].clear) { sta_info->stats[tid].clear = false; + sta_info->stats[tid].req = false; sta_info->stats[tid].ampdu_len = 0; sta_info->stats[tid].ampdu_ack_len = 0; } @@ -391,10 +392,16 @@ static void carl9170_tx_status_process_ampdu(struct ar9170 *ar, if (txinfo->status.rates[0].count == 1) sta_info->stats[tid].ampdu_ack_len++; + if (!(txinfo->flags & IEEE80211_TX_STAT_ACK)) + sta_info->stats[tid].req = true; + if (super->f.mac_control & cpu_to_le16(AR9170_TX_MAC_IMM_BA)) { super->s.rix = sta_info->stats[tid].ampdu_len; super->s.cnt = sta_info->stats[tid].ampdu_ack_len; txinfo->flags |= IEEE80211_TX_STAT_AMPDU; + if (sta_info->stats[tid].req) + txinfo->flags |= IEEE80211_TX_STAT_AMPDU_NO_BACK; + sta_info->stats[tid].clear = true; } spin_unlock_bh(&tid_info->lock); -- cgit v1.2.3-70-g09d2 From ffd8c746fbef50cf12df239f9d23c2afe1a2c3cb Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Tue, 29 Mar 2011 15:28:11 +0200 Subject: iwlegacy: fix bugs in change_interface If change_interface gets invoked during a firmware restart, it may crash; prevent that from happening by checking if ctx->vif is assigned. Additionally, in my initial commit I forgot to set the vif->p2p variable correctly, so fix that too. Cc: stable@kernel.org [2.6.38+] Signed-off-by: Johannes Berg Signed-off-by: John W. Linville --- drivers/net/wireless/iwlegacy/iwl-core.c | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'drivers/net/wireless') diff --git a/drivers/net/wireless/iwlegacy/iwl-core.c b/drivers/net/wireless/iwlegacy/iwl-core.c index d418b647be8..a209a0e76bf 100644 --- a/drivers/net/wireless/iwlegacy/iwl-core.c +++ b/drivers/net/wireless/iwlegacy/iwl-core.c @@ -1805,6 +1805,15 @@ iwl_legacy_mac_change_interface(struct ieee80211_hw *hw, mutex_lock(&priv->mutex); + if (!ctx->vif || !iwl_legacy_is_ready_rf(priv)) { + /* + * Huh? But wait ... this can maybe happen when + * we're in the middle of a firmware restart! + */ + err = -EBUSY; + goto out; + } + interface_modes = ctx->interface_modes | ctx->exclusive_interface_modes; if (!(interface_modes & BIT(newtype))) { @@ -1832,6 +1841,7 @@ iwl_legacy_mac_change_interface(struct ieee80211_hw *hw, /* success */ iwl_legacy_teardown_interface(priv, vif, true); vif->type = newtype; + vif->p2p = newp2p; err = iwl_legacy_setup_interface(priv, ctx); WARN_ON(err); /* -- cgit v1.2.3-70-g09d2